2098981080 has 128 divisors (see below), whose sum is σ = 7996147200. Its totient is φ = 479765376.

The previous prime is 2098981069. The next prime is 2098981123. The reversal of 2098981080 is 801898902.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131262 + ... + 146381.

It is an arithmetic number, because the mean of its divisors is an integer number (62469900).

Almost surely, 2^2098981080 is an apocalyptic number.

2098981080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2098981080 is an abundant number, since it is smaller than the sum of its proper divisors (5897166120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2098981080 is a wasteful number, since it uses less digits than its factorization.

2098981080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277670 (or 277660 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 2098981080 is about 45814.6382720632. The cubic root of 2098981080 is about 1280.3720191445.

The spelling of 2098981080 in words is "two billion, ninety-eight million, nine hundred eighty-one thousand, eighty".